Large magnetoresistance of single-crystal films of ferromagnetic SrRuO3

L. Klein; A. F. Marshall; J. W. Reiner; C. H. Ahn; T. H. Geballe; M. R. Beasley; A. Kapitulnik

doi:10.1016/S0304-8853(98)00201-7

Large magnetoresistance of single-crystal films of ferromagnetic SrRuO₃

L. Klein, A. F. Marshall, J. W. Reiner, C. H. Ahn, T. H. Geballe, M. R. Beasley, A. Kapitulnik

Department of Physics

Stanford University

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

Measurements of single-crystal films of the itinerant ferromagnet SrRuO₃ show that: (a) the magnetoresistance (MR) near T_c ∼ 150 K is large (∼12% at H = 6 T), negative, and is described by a scaling function; (b) the (negative) anisotropic MR is large (∼20%); and (c) the domain walls are highly resistive (unit area resistance ∼ 10^-15 Ω m²). We believe that the MR properties of SrRuO₃, which are strong relative to that of good metallic ferromagnets, are related to strong electron correlations.

Original language	English
Pages (from-to)	319-325
Number of pages	7
Journal	Journal of Magnetism and Magnetic Materials
Volume	188
Issue number	3
DOIs	https://doi.org/10.1016/S0304-8853(98)00201-7
State	Published - 6 Oct 1998

Bibliographical note

Funding Information:
We acknowledge useful discussions with A. Aharony, I. Balberg, J.S. Dodge, V.J. Emery, and S.A. Kivelson. This work was supported by the DOE Grant No. DE-FG03-94ER-45528 and by the AFOSR Grant No. F49620-95-1-0039. The films were characterized in the Center for Materials Research at Stanford University.

Funding

We acknowledge useful discussions with A. Aharony, I. Balberg, J.S. Dodge, V.J. Emery, and S.A. Kivelson. This work was supported by the DOE Grant No. DE-FG03-94ER-45528 and by the AFOSR Grant No. F49620-95-1-0039. The films were characterized in the Center for Materials Research at Stanford University.

Funders	Funder number
U.S. Department of Energy	DE-FG03-94ER-45528
Air Force Office of Scientific Research	F49620-95-1-0039

Keywords

Domain wall resistivity
Itinerant ferromagnetism
Magnetoresistance
Ruthenates
Scaling

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10.1016/S0304-8853(98)00201-7

Cite this

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title = "Large magnetoresistance of single-crystal films of ferromagnetic SrRuO3",

abstract = "Measurements of single-crystal films of the itinerant ferromagnet SrRuO3 show that: (a) the magnetoresistance (MR) near Tc ∼ 150 K is large (∼12% at H = 6 T), negative, and is described by a scaling function; (b) the (negative) anisotropic MR is large (∼20%); and (c) the domain walls are highly resistive (unit area resistance ∼ 10-15 Ω m2). We believe that the MR properties of SrRuO3, which are strong relative to that of good metallic ferromagnets, are related to strong electron correlations.",

keywords = "Domain wall resistivity, Itinerant ferromagnetism, Magnetoresistance, Ruthenates, Scaling",

author = "L. Klein and Marshall, {A. F.} and Reiner, {J. W.} and Ahn, {C. H.} and Geballe, {T. H.} and Beasley, {M. R.} and A. Kapitulnik",

note = "Funding Information: We acknowledge useful discussions with A. Aharony, I. Balberg, J.S. Dodge, V.J. Emery, and S.A. Kivelson. This work was supported by the DOE Grant No. DE-FG03-94ER-45528 and by the AFOSR Grant No. F49620-95-1-0039. The films were characterized in the Center for Materials Research at Stanford University.",

year = "1998",

month = oct,

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doi = "10.1016/S0304-8853(98)00201-7",

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T1 - Large magnetoresistance of single-crystal films of ferromagnetic SrRuO3

AU - Klein, L.

AU - Marshall, A. F.

AU - Reiner, J. W.

AU - Ahn, C. H.

AU - Geballe, T. H.

AU - Beasley, M. R.

AU - Kapitulnik, A.

N1 - Funding Information: We acknowledge useful discussions with A. Aharony, I. Balberg, J.S. Dodge, V.J. Emery, and S.A. Kivelson. This work was supported by the DOE Grant No. DE-FG03-94ER-45528 and by the AFOSR Grant No. F49620-95-1-0039. The films were characterized in the Center for Materials Research at Stanford University.

PY - 1998/10/6

Y1 - 1998/10/6

N2 - Measurements of single-crystal films of the itinerant ferromagnet SrRuO3 show that: (a) the magnetoresistance (MR) near Tc ∼ 150 K is large (∼12% at H = 6 T), negative, and is described by a scaling function; (b) the (negative) anisotropic MR is large (∼20%); and (c) the domain walls are highly resistive (unit area resistance ∼ 10-15 Ω m2). We believe that the MR properties of SrRuO3, which are strong relative to that of good metallic ferromagnets, are related to strong electron correlations.

AB - Measurements of single-crystal films of the itinerant ferromagnet SrRuO3 show that: (a) the magnetoresistance (MR) near Tc ∼ 150 K is large (∼12% at H = 6 T), negative, and is described by a scaling function; (b) the (negative) anisotropic MR is large (∼20%); and (c) the domain walls are highly resistive (unit area resistance ∼ 10-15 Ω m2). We believe that the MR properties of SrRuO3, which are strong relative to that of good metallic ferromagnets, are related to strong electron correlations.

KW - Domain wall resistivity

KW - Itinerant ferromagnetism

KW - Magnetoresistance

KW - Ruthenates

KW - Scaling

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